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An evaluation kit, also known as a microprocessor development board, is a low-cost printed circuit board that contains a microprocessor and a minimal set of supporting components needed for an engineer to become familiar with the architecture. While its primary use is for companies to evaluate the feasibility of new microprocessors, it's often used in hobbyist projects and educational institutions.

Due to its relatively small size and price, the concept of evaluation kits has transformed over the past several years to include several educational boards such as the Arduino and the Raspberry Pi.